LiquaGen - Replacement Kit for 4 Stage Portable Inline RO/DI Systems (Inline Sediment, Inline Carbon, 9 oz. DI Resin) This is an excellent replacement set for all portable-countertop reverse osmosis water filter systems. The replacement set includes: 1) One Inline 5 Micron Sediment Filter. 2) One Inline 5 Micron Carbon Filter 3) 9 oz. RO/DI color changing Resin Deionization. DI Comes in air-sealed multi layered packaging to ensure a shelf life of 1 year PHYSICAL PROPERTIES: Functional Structure Cation (Hydrogen form) RSO3-H+ Anion (Hydroxyl Form) R4N+OH- (Strong Base) Physical Form Tough, Spherical Beads Ionic Form H/OH Screen Size Distribution 90 percent -16 +45 (U.S. St.) Moisture Content (as shipped): 65 percent max. Maximum Operating Temperature Non-regenerable 80oC* (175oF) Regenerable 50oC (140oF) Operating Flow Rate 2 to 10 gpm/cu.ft. (typical) pH Range 0 - 14.